Starting Wiring Diagram. A typical starter solenoid has one small connector for the starter control wire the white connector in the photo and two large terminals. The dol starter comprises an mccb or circuit breaker contactor and an overload relay for protection.
Otherwise the structure wont work as it should be. I am not denying that those stock diagrams are not complex. Wiring diagram consists of many in depth illustrations that show the link of varied things.
Figure 1 is a typical wiring diagram for a three phase magnetic motor starter.
There will be primary lines which are represented by l1 l2 l3 and so on. One for the positive battery cable and the other for the thick wire that powers the starter motor itself see the diagram below. Single phase motor wiring diagram with capacitor start. There are just two things that will be found in almost any refrigerator start relay wiring diagram.